Initial revision

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@153 ec53bebd-3082-4978-b11e-865c3cabbd6b

appl/login/utmpx_login.c

@@ -0,0 +1,52 @@
+/* Author: Wietse Venema <wietse@wzv.win.tue.nl> */
+
+#include <config.h>
+
+#ifdef SYSV_UTMP
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <utmpx.h>
+#include <string.h>
+
+/* utmpx_login - update utmp and wtmp after login */
+
+utmpx_login(line, user, host)
+char   *line;
+char   *user;
+char   *host;
+{
+    struct utmpx *ut;
+    pid_t   mypid = getpid();
+    int     ret = (-1);
+
+    /*
+     * SYSV4 ttymon and login use tty port names with the "/dev/" prefix
+     * stripped off. Rlogind and telnetd, on the other hand, make utmpx
+     * entries with device names like /dev/pts/nnn. We therefore cannot use
+     * getutxline(). Return nonzero if no utmp entry was found with our own
+     * process ID for a login or user process.
+     */
+
+    while ((ut = getutxent())) {
+	if (ut->ut_pid == mypid && (ut->ut_type == INIT_PROCESS
+	  || ut->ut_type == LOGIN_PROCESS || ut->ut_type == USER_PROCESS)) {
+	    strncpy(ut->ut_line, line, sizeof(ut->ut_line));
+	    strncpy(ut->ut_user, user, sizeof(ut->ut_user));
+	    strncpy(ut->ut_host, host, sizeof(ut->ut_host));
+	    ut->ut_syslen = strlen(host) + 1;
+	    if (ut->ut_syslen > sizeof(ut->ut_host))
+		ut->ut_syslen = sizeof(ut->ut_host);
+	    ut->ut_type = USER_PROCESS;
+	    gettimeofday(&(ut->ut_tv));
+	    pututxline(ut);
+	    updwtmpx(WTMPX_FILE, ut);
+	    ret = 0;
+	    break;
+	}
+    }
+    endutxent();
+    return (ret);
+}
+
+#endif /* SYSV_UTMP */